package com.bwie.spike.web;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.bwie.spike.conf.AlipayConfig;
import com.bwie.spike.dao.GoodsDao;
import com.bwie.spike.entity.GoodsEntity;
import com.bwie.spike.entity.OrderInfoEntity;
import com.bwie.spike.entity.OrderJust;
import com.bwie.spike.service.OrderInfoService;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import java.io.UnsupportedEncodingException;
import java.util.UUID;

/**
 * @ClassName OrderController
 * @Description TODO
 * @Author 李奉武
 * @Motto 逆水行舟, 不进则退
 * @Date 2022/2/24 10:00
 * @Version 1.0
 */
@Controller
public class OrderController {

    @Autowired
    OrderInfoService orderInfoService;

    @Autowired
    GoodsDao goodsDao;

    public static ThreadLocal<OrderJust> justThreadLocal = new ThreadLocal<>();

    /**
     * 跳转支付宝页面
     */
    @GetMapping("/alipay")
    @ResponseBody
    public String info(@RequestParam("odersn")String ordersn) throws UnsupportedEncodingException, AlipayApiException {

        GoodsEntity goodsEntity=null;
        String goodsName="";
        //根据商品id查商品
        OrderInfoEntity byId = orderInfoService.getById(ordersn);
        if (byId==null){
             goodsEntity = goodsDao.selectById(ordersn);
        }else if (byId!=null){
            goodsName=byId.getGoodsName();
        }

        if (StringUtils.isBlank(goodsName)){
            goodsName=goodsEntity.getGoodsName();
        }


        //创建本地线程存储对象
        OrderJust orderJust = new OrderJust();
        //生成随机订单id
        String orderid = UUID.randomUUID().toString();
        //orderJust.setOrderId(orderid);
        //orderJust.setOrderPrice(byId.getGoodsPrice().toString());

        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AlipayConfig.return_url);
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        //商户订单号，商户网站订单系统中唯一订单号，必填
        justThreadLocal.set(orderJust);
        String out_trade_no = (new String(orderid.replaceAll("-", "").toString().getBytes(),"UTF-8"));
        //付款金额，必填
        String total_amount = new String("0.01".getBytes(),"UTF-8");
        //订单名称，必填
        String subject = (new String(goodsName.getBytes(),"UTF-8"));
        //商品描述，可空
        String body = (new String("".getBytes(),"UTF-8"));

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"total_amount\":\""+ total_amount +"\","
                + "\"subject\":\""+ subject +"\","
                + "\"body\":\""+ body +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
        //alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
        //		+ "\"total_amount\":\""+ total_amount +"\","
        //		+ "\"subject\":\""+ subject +"\","
        //		+ "\"body\":\""+ body +"\","
        //		+ "\"timeout_express\":\"10m\","
        //		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节

        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();

        //输出
        System.out.println("result = " + result);

        return result;
    }
}
